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Question (C4): (5 marks) Given the following transaction database from a supermarket: Transaction ID items ΤΙ 12 T2 12,
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Question (C4): (5 marks) Given the following transaction database from a supermarket: Transaction ID items ΤΙ 12 T2 12,
Question (C4): (5 marks) Given the following transaction database from a supermarket: Transaction ID items ΤΙ 12 T2 12, 13, 14 T3 14,15 T4 II, 14, 15 TS 11, 13, 15 T6 11, 12, 13 17 12, 14, 15 T8 12, 13, 14 T9 14,15 T10 11 a) What is the output of the Apriori algorithm run on the above transaction database with minimum support of 50%? (1 mark) b) Calculate the CONFIDENCE: C(XY), for the following association rules: C(11--12), C(14--15), C(11—-14), C(12-13) (1.5 marks) c) Calculate the LIFT: L(X-Y), for the following association rules: L(11-12), L(14--15), L(11--14), L(12—13) (1.5 marks) d) Refer to part (c), what are the implications of those association rules with LIFT value(s) equal(s) ONE? (1 mark)
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